On the website Willhaben you can find private advertisements under the “Marktplatz” tab. You can find everything from bicycles to computers.
The website Geizhals is a price search engine, which will show you where in Austria you can get a certain product at the lowest price.
AtPreisjäger you can always find current bargains.
At Reddit you can find good tips and recommendations.
Radio and TV
At Radiomap you can find a list of all radio stations which can be received in Graz. The radio station Ö1 is Austria’s cultural station and broadcasts detailed news as well as concerts and radio plays. A small independent Graz station is Radio Helsinki – it’s worth listening to!
All Austrian newspapers (Der Standard, Die Presse, Kurier, Krone etc.) also have a website where you can find information in German language.
The simplest way to use your mobile phone in Graz is by buying a pay-as-you-go SIM card from one of the Austrian mobile phone operators. Pay-as-you-go cards are advantageous because you are not bound to a mobile phone company for a certain period. More information you can get at the Austrian mobile phone companies.
Other cheap options are offered by various video telephone providers.